What divides the two major eons (the Precambrian and Phanerozoic Eons) ?

How did the places change in sub-saharan africa when the europeans arrived

The conquistadors where driven primarily by

The constitution has a long list of enumerated federal powers but few state powers are spelled out

Which feature of chytrids makes them different from the other types of fungi

How did the lives of middle class women change during the industrial revolution

The invention of tools mastery of fire develop

How was life similar and or different from American before during and after the war did the war change the role of women in American society

What was a consequence of both superpowers having nuclear weapons

Which amendment gives the right to call witnesses in one's defense at a trial?

What was the main reason for the inclusion of the Fugitive Slave Law in the Compromise of 1850? M to reward slave states for contributing funds to settle land claims P to pacify the free states for the decision to maintain slavery in the nation's